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Define the Prototyping Model
In this model, a working model of actual software is developed originally. Prototype is just like a sample software having low reliability and lesser functional capabilities and it doesn't undergo through the rigorous testing phase. Developing a working prototype in first phase overcomes the drawback of the waterfall model where reporting about serious errors is possible only after completion of software development.
Working prototype is given to customer for operation. Customer, afterits use, gives feedback. Analysing the feedback given bythe customer, developer refines, adds requirements and prepares final specification document. Once prototype becomes operational, actual product is developed using normal waterfall model.
Determine the level 0 and level 1 of DFD External entities provide input data for processing. During processing, some intermediate data is generated. After final processing, fi
classification of computer application
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where star topology used in daily life
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Define the Behavioural Model It defines operational behaviour of the system. In this model, numerous operations of the system are represented in pictorial form. Tools used to
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